<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html >

<?instruction?>

<!--aaa -->
<!-- bbb
-->
<root b="1" a="2">
    <div/>

    <!--
    vvv
    -->
    <child>
        a
        <![CDATA[ b ]]>

        <![CDATA[
    c <![CDATA[]>
    ]]><!--x--> vv

    </child>
</root>

        <!--bb-->